jakubtruksa using our #ESIgrips #FITgrips on his trekbikes Supercaliber on the Rock’N’Roll section of UCI World Cup course in Nove Mesto 💪 The Original & Ultimate #SiliconeGrips Trusted by Champions! #TrekBikes #SuperCaliber #ProjectOne #mountainbike #mtb #mtbnmnm #ridebontrager #truxxxikonthebike